nobunaga.ai: Your All-in-One Japanese AI Writing Assistant

nobunaga.ai is a powerful AI-powered document service designed to enhance Japanese text quality by fine-tuning ChatGPT's capabilities. With over 50 specialized AI personas and advanced features like text generation, editing, summarization, key point extraction, tone adjustment, and concise rewriting, it supports a wide range of content creation needs—from blogs and ads to reports, contracts, scripts, and creative writing. The platform seamlessly pulls real-time information from web pages and processes CSV, Word, and PDF files for intelligent data analysis. Its document auto-save feature ensures your work is securely stored in an encrypted, private database, never used for model training and shared only with partners. Accessible on both desktop and mobile, nobunaga.ai empowers users to create professional, SEO-optimized content anytime, anywhere. With a generous free plan offering 2,000 monthly credits and no credit card required, it’s ideal for individuals and teams seeking flexible, secure, and high-quality writing support.

Key Features:

• AI-powered Japanese text enhancement using a fine-tuned ChatGPT base
• 50+ specialized AI personas (templates) for diverse writing styles
• Text generation, editing, summarization, and key point organization
• Tone adjustment and expression simplification
• Real-time web content integration for up-to-date information
• Support for CSV, Word, and PDF file uploads with data analysis
• Multi-format content creation: blogs, ads, newsletters, social media posts, video scripts, product descriptions, reports, contracts, presentations, novels, poems, and more
• Built-in SEO optimization for blogs and meta descriptions
• Automatic document saving with secure, encrypted database storage
• Data privacy protection: no data used for model training, no third-party sharing
• Mobile accessibility for on-the-go productivity

Pricing: nobunaga.ai currently offers a Free tier with 2,000 monthly credits and no credit card required. While paid plans and advertising are planned for the future, the tool remains fully accessible at no cost today.

Conclusion: nobunaga.ai is an exceptional, privacy-focused AI writing platform tailored for Japanese content creators, delivering versatile, high-quality text generation with advanced features—all available free of charge and ready to use across devices.